Chemistry
Write the molecular formulae for the oxides and sulphides of the following elements.
(a) Sodium
(b) Calcium
(c) Hydrogen
Chemical Formula
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Answer
| Element | Oxide | Sulphide |
|---|---|---|
| Sodium | Na2O | Na2S |
| Calcium | CaO | CaS |
| Hydrogen | H2O | H2S |
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